13-letter words containing h, o, k
- humboldt peak — a mountain in S Colorado, in the Sangre de Cristo range. 14,064 feet (4290 meters).
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrofracking — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydroxyketone — a ketone containing a hydroxyl group.
- i don't think — a phrase added to an ironical statement
- in the pocket — (of a fly half) in an attacking position slightly further back from play than normal, making himself available for a drop goal attempt
- insulin shock — a state of collapse caused by a decrease in blood sugar resulting from the administration of excessive insulin.
- jockey shorts — Jockey shorts are a type of men's underpants.
- john sobieski — John, John III (def 2).
- john suckling — Sir John, 1609–42, English poet.
- johnny canuck — a personification of Canada
- joseph hooker — Joseph, 1814–79, Union general in the U.S. Civil War.
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- katharometers — Plural form of katharometer.
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- keep in touch — stay in contact
- kenneth arrow — Kenneth Joseph, born 1921, U.S. economist: Nobel Prize 1972.
- kentish glory — a moth, Endromis versicolora, common in north and central Europe, having brown variegated front wings and, in the male, orange hindwings
- kenwood house — a 17th-century mansion on Hampstead Heath in London: remodelled and decorated by Robert Adam: contains the Iveagh bequest, a noted art collection
- kilowatt-hour — a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr.
- kinematograph — cinematograph.
- kinross-shire — a former county of E central Scotland: became part of Tayside region in 1975 and part of Perth and Kinross in 1996
- kiss of death — a fatal or destructive relationship or action: The support of the outlawed group was the kiss of death to the candidate.
- kneehole desk — a desk with a space for the knees between two side panels
- know by heart — have memorized
- know by sight — the power or faculty of seeing; perception of objects by use of the eyes; vision.
- know-nothings — an ignorant or totally uninformed person; ignoramus.
- knox-johnston — Sir Robin (William Robert Patrick). born 1939, British yachtsman. He was the first to sail round the world alone nonstop (1968–69)
- korf, richard — Richard Korf
- kosher pickle — a garlic-flavored pickle, sold especially in Jewish delicatessens.
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- laughingstock — an object of ridicule; the butt of a joke or the like: His ineptness as a public official made him the laughingstock of the whole town.
- leopard shark — a small, inshore shark, Triakis semifasciata, having distinctive black markings across the back, inhabiting Pacific coastal waters from Oregon through California.
- loan-sharking — the practice of lending money at exorbitant or illegal interest rates
- lockwood home — a house built of timber planks that lock together without the use of nails
- look ahead lr — Look Ahead Left-to-right parse, Rightmost-derivation
- lower chinook — an extinct Chinookan language that was spoken by tribes on both banks of the Columbia River estuary.
- make light of — of little weight; not heavy: a light load.
- make off with — take away
- mana motuhake — independence or autonomy
- mikhailovitch — Draja [drah-zhah] /ˈdrɑ ʒɑ/ (Show IPA), 1893–1946, Yugoslav military leader.
- milk mushroom — any of the common latex-containing mushrooms of the genus Lactarius.
- mock whipbird — an Australian bird, Pachycephala rufiventris, which is not of the whipbird family
- monkey orchid — a European orchid, Orchis simia, rare in Britain, having a short dense flower spike that opens from the top downwards. The flowers are white streaked with pink or violet and have five spurs thought to resemble a monkey's arms, legs, and tail
- monkey wrench — spanner
- monkey-shines — Usually, monkeyshines. a frivolous or mischievous prank; monkey business.
- monkey-wrench — to ruin (plans, a schedule, etc.) unavoidably or, sometimes, deliberately: The storm monkey-wrenched our plans for a picnic.
- moshe shertok — Moshe [moh-shuh] /ˈmoʊ ʃə/ (Show IPA), Sharett, Moshe.
- mosquito hawk — nighthawk (def 1).